2WHM - JenaLib

Title :   CELLVIBRIO JAPONICUS MAN26A E121A AND E320G DOUBLE MUTANT IN COMPLEX WITH MANNOBIOSE

Authors :   V. M. A. Ducros, G. J. Davies, J. E. Flint, H. J. Gilbert

Date :   05 May 09 (Deposition) - 26 May 09 (Release) - 18 Mar 15 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.50

Chains :   Asym./Biol. Unit : A

Keywords :   Glycoside Hydrolase, Man26, Gh-A Clan, Hydrolase, Mannanase, Glycosidase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   L. E. Tailford, V. M. A. Ducros, J. E. Flint, S. M. Roberts, C. Morland, D. L. Zechel, N. Smith, M. E. Bjornvad, T. V. Borchert, K. S. Wilson, G. J. Davies, H. J. Gilbert
Understanding How Diverse -Mannanases Recognise Heterogeneous Substrates.
Biochemistry V. 48 7009 2009
PubMed-ID: 19441796 | Reference-DOI: 10.1021/BI900515D

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (5, 6)

Sites (6, 6)

Asymmetric Unit (6, 6)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	GLU A:67 , HIS A:71 , GLU A:239 , TRS A:1426	BINDING SITE FOR RESIDUE ZN A1424
2	AC2	SOFTWARE	ARG A:69 , SER A:72 , ILE A:73 , ARG A:352 , GLU A:353 , ILE A:354	BINDING SITE FOR RESIDUE NA A1425
3	AC3	SOFTWARE	GLU A:67 , HIS A:71 , GLN A:232 , ARG A:235 , TYR A:236 , GLU A:239 , TRP A:276 , ZN A:1424 , HOH A:2413 , HOH A:2414 , HOH A:2415	BINDING SITE FOR RESIDUE TRS A1426
4	AC4	SOFTWARE	TYR A:400 , ALA A:401 , ASP A:402 , GLU A:403 , THR A:405 , PHE A:407 , ASP A:410	BINDING SITE FOR RESIDUE TRS A1427
5	AC5	SOFTWARE	HIS A:143 , GLU A:212 , TYR A:285 , ALA A:325 , TRP A:360 , TRP A:379 , BMA A:1429 , HOH A:2280 , HOH A:2416 , HOH A:2417 , HOH A:2418	BINDING SITE FOR RESIDUE MAN A1428
6	AC6	SOFTWARE	LEU A:113 , TRP A:162 , TRP A:360 , ARG A:361 , HIS A:377 , MAN A:1428 , HOH A:2419 , HOH A:2420 , HOH A:2421 , HOH A:2422 , HOH A:2423	BINDING SITE FOR RESIDUE BMA A1429

SS Bonds (0, 0)

Cis Peptide Bonds (2, 2)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

PROSITE Motifs (1, 1)

Exons (0, 0)

Sequences/Alignments

Asymmetric/Biological Unit

Reformat:	Number of residues per line = ('0' or empty: single-line sequence representation)
	Number of residues per labelling interval =
	UniProt sequence: complete aligned part

Show mapping:	SCOP domains	CATH domains	Pfam domains	Secondary structure (by author)
	SAPs(SNPs)	PROSITE motifs	Exons
	(details for a mapped element are shown in a popup box when the mouse pointer rests over it)

Chain A from PDB  Type:PROTEIN  Length:377
 aligned with MANA_CELJU | P49424 from UniProtKB/Swiss-Prot  Length:423

    Alignment length:381
                                    52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       362       372       382       392       402       412       422 
           MANA_CELJU    43 KPVTVKLVDSQATMETRSLFAFMQEQRRHSIMFGHQHETTQGLTITRTDGTQSDTFNAVGDFAAVYGWDTLSIVAPKAEGDIVAQVKKAYARGGIITVSSHFDNPKTDTQKGVWPVGTSWDQTPAVVDSLPGGAYNPVLNGYLDQVAEWANNLKDEQGRLIPVIFRLYHENTGSWFWWGDKQSTPEQYKQLFRYSVEYLRDVKGVRNFLYAYSPNNFWDVTEANYLERYPGDEWVDVLGFDTYGPVADNADWFRNVVANAALVARMAEARGKIPVISEIGIRAPDIEAGLYDNQWYRKLISGLKADPDAREIAFLLVWRNAPQGVPGPNGTQVPHYWVPANRPENINNGTLEDFQAFYADEFTAFNRDIEQVYQRPTLIVK 423
               SCOP domains d2whma_ A: automated matches                                                                                                                                                                                                                                                                                                                                                                  SCOP domains
               CATH domains 2whmA00 A:43-423 Glycosidases                                                                                                                                                                                                                                                                                                                                                                 CATH domains
               Pfam domains -------Glyco_hydro_26-2whmA01 A:50-350                                                                                                                                                                                                                                                                              ------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eee.......hhhhhhhhhhhhhhh...eeeeee................hhhhhhhh....eeeee.hhh........hhhhhhhhhhh..eeeee.......hhhhh..............hhhhh....hhhhhhhhhhhhhhhhhh..........eeee.................hhhhhhhhhhhhhhhhhhh.....eeeee........hhhhhhh.........ee..eeee....hhhhhhhhhhhhhhhhhhhhhhh.ee...eeeehhhhhhh.....hhhhhhhhhhhhh.hhhhh.eeee..........----..........hhhhhhhhhhhhhhhhhhh..eehhhhh.......eee.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------GH26  PDB: A:56-409 UniProt: 56-409                                                                                                                                                                                                                                                                                                                               -------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2whm A  43 KPVTVKLVDSQATMETRSLFAFMQEQRRHSIMFGHQHETTQGLTITRTDGTQSDTFNAVGDFAAVYGWDTLSIVAPKAAGDIVAQVKKAYARGGIITVSSHFDNPKTDTQKGVWPVGTSWDQTPAVVDSLPGGAYNPVLNGYLDQVAEWANNLKDEQGRLIPVIFRLYHENTGSWFWWGDKQSTPEQYKQLFRYSVEYLRDVKGVRNFLYAYSPNNFWDVTEANYLERYPGDEWVDVLGFDTYGPVADNADWFRNVVANAALVARMAEARGKIPVISGIGIRAPDIEAGLYDNQWYRKLISGLKADPDAREIAFLLVWRNAPQGVPG----QVPHYWVPANRPENINNGTLEDFQAFYADEFTAFNRDIEQVYQRPTLIVK 423
                                    52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       362      |  - |     382       392       402       412       422 
                                                                                                                                                                                                                                                                                                                                                                369  374

Legend:		→ Mismatch	(orange background)
	-	→ Gap	(green background, '-', border residues have a numbering label)
		→ Modified Residue	(blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
	x	→ Chemical Group	(purple background, 'x', labelled with number + name, e.g. ACE or NH2)
	extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '\|'

Classification and Annotation

SCOP Domains (1, 1)

CATH Domains (1, 1)

Pfam Domains (1, 1)

Gene Ontology (10, 10)

Asymmetric/Biological Unit(hide GO term definitions)

Chain A (MANA_CELJU | P49424)

molecular function
	GO:0016787	hydrolase activity	Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
	GO:0016798	hydrolase activity, acting on glycosyl bonds	Catalysis of the hydrolysis of any glycosyl bond.
	GO:0004553	hydrolase activity, hydrolyzing O-glycosyl compounds	Catalysis of the hydrolysis of any O-glycosyl bond.
	GO:0016985	mannan endo-1,4-beta-mannosidase activity	Catalysis of the random hydrolysis of (1->4)-beta-D-mannosidic linkages in mannans, galactomannans, glucomannans, and galactoglucomannans.
biological process
	GO:0005975	carbohydrate metabolic process	The chemical reactions and pathways involving carbohydrates, any of a group of organic compounds based of the general formula Cx(H2O)y. Includes the formation of carbohydrate derivatives by the addition of a carbohydrate residue to another molecule.
	GO:0051069	galactomannan metabolic process	The chemical reactions and pathways involving galactomannan, a polysaccharide composed of D-galactose and D-mannose. The mannose units form the backbone structure (a linear main chain) with the D-galactose as single side units.
	GO:0010391	glucomannan metabolic process	The chemical reactions and pathways involving glucomannan, a polysaccharide composed of D-glucose and D-mannose. The mannose units form the backbone structure (a linear main chain) with the D-glucose as single side-units.
	GO:0008152	metabolic process	The chemical reactions and pathways, including anabolism and catabolism, by which living organisms transform chemical substances. Metabolic processes typically transform small molecules, but also include macromolecular processes such as DNA repair and replication, and protein synthesis and degradation.
	GO:0000272	polysaccharide catabolic process	The chemical reactions and pathways resulting in the breakdown of a polysaccharide, a polymer of many (typically more than 10) monosaccharide residues linked glycosidically.
	GO:0006080	substituted mannan metabolic process	The chemical reactions and pathways involving a mannan backbone composed of D-mannose unites, substituted with D-glucose and/or D-galactose units.

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		Ala A:117 - Pro A:118	[ RasMol ]
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